*{box-sizing:border-box}
body.page{margin:0;font-family:Arial,Helvetica,sans-serif;color:#333;background:#fff}
.wrap{max-width:900px;margin:40px auto;padding:0 24px}
.site-title{font-size:36px;font-weight:500;margin:0 0 24px}

.panel{background:#fff;border:2px solid #2cc5be;border-radius:4px}
.panel-header{background:#2cc5be;color:#000;padding:12px 16px;font-weight:600;border-top-left-radius:3px;border-top-right-radius:3px}
.panel-body{padding:18px 20px 24px}
.section-title{font-size:22px;margin:8px 0 18px}

.option-btn{display:block;background:#2cc5be;color:#000;text-decoration:none;text-align:center;padding:12px 16px;margin:12px 0;border-radius:3px}
.option-btn:active{transform:scale(.99)}

.label{display:block;margin:18px 0 6px;font-weight:600}
.input{width:100%;padding:12px;border:1px solid #9ec3e6;background:#eaf2ff;border-radius:3px}
.input:focus{outline:none;border-color:#6fa9e8;box-shadow:0 0 0 2px rgba(111,169,232,.25)}

.submit-btn{display:block;margin:22px auto 0;padding:12px 28px;background:#2cc5be;color:#000;border:none;border-radius:3px;font-weight:600;cursor:pointer}
.submit-btn:active{transform:scale(.99)}
a{
    text-decoration: none;
}

/* Modal (error popup) */
.modal{position:fixed;inset:0;display:none;align-items:center;justify-content:center;z-index:999}
.modal.open{display:flex}
.modal__overlay{position:absolute;inset:0;background:rgba(0,0,0,.35)}
.modal__container{position:relative;max-width:460px;width:92%;box-shadow:0 8px 28px rgba(0,0,0,.18);border-radius:4px;z-index:1}
.modal__actions{text-align:center;margin-top:12px}